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Home >> Nissan-Datsun >> 2004 >> Quest SL >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System >> DTC P0138, P0158: Ho2S2 >> DTC Confirmation Procedure >> With CONSULT-II
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With CONSULT-II

  1. Turn ignition switch ON and select "DATA MONITOR" mode with CONSULT-II.
  2. Start engine and warm it up to the normal operating temperature.
  3. Turn ignition switch OFF and wait at least 10 seconds.
  4. Start engine and keep the engine speed between 3,500 and 4,000 RPM for at least 1 minute under no load.
  5. Let engine idle for 2 minutes.
    Fig 1: Displaying Data Monitor
    G00775574Courtesy of NISSAN MOTOR CO., U.S.A.
  6. If 1st trip DTC is detected, go to DIAGNOSTIC PROCEDURE  .